1981016777 is an odd 10-digits composite number following 1981016776
and preceding 1981016778 . In scientific notation, it is written as 1.981016777 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1917112980 positive integers (up to 1981016777) that are relatively prime to 1981016777.
1981016777 has 4 divisors, whose sum is 2044920576
The reverse of 1981016777 is 7776101891
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred eighty-one million sixteen thousand seven hundred seventy-seven
Scientific notation
1.981016777 × 10^9
Engineering notation
1.981016777 × 10^9
Prime Factorization
31 × 63903767
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1981016777
Product of the distinct prime numbers
The prime factorization of 1981016777 is 31 × 63903767.
Since it has a total of 2 prime factors.
7 , 7 , 61 , 88 , 243 , 888 , 4745 , 4881 , 3801 , 82878 , 308131 , 470738 , 5693045 , 9213571 , 52869515 , 284831 , 178603052 , 483672976 , 2328831408 , 8789361656
n×2
3962033554
n×3
5943050331
n×4
7924067108
n×5
9905083885
n÷2
990508388.5
n÷3
660338925.66667
n÷3
495254194.25
n÷5
396203355.4
n2
3924427470755467729
n3
7.7743566596863E+27
n4
1.540113097322E+37
n5
3.0509898842723E+46
2 √n
44508.614638068
3 √n
1255.9221440188
4 √n
210.97064875965
5 √n
72.339854465989
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981016776
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981016777 can be divided by 4 positive divisors.
The sum of these divisors (counting 1981016777) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110000100111110101011001001
3
Ternary
12010001122002010202
4
Quaternary
1312010332223021
5
Quinary
13024120014102
6
Senary
524324021545
8
Octal
16604765311
10
Decimal
1981016777
12
Duodecimal
4735318b5
16
Hexadecimal
7613eac9
20
Vigesimal
1aj171ih
36
Base36
wrg2bt
md5
c8207c950a530553ac2b057d7f2535cc
sha1
e67efc98e80dd4a832259801c848ba6dca1a0aff
sha256
9e8906ab091847fe49cf9c8448fc931010d6e8cfc688b42a3a3e31c7f2dce65b
sha512
566cb335cdf14ed035113622ffd72c415006ab1fe45691f7088c4924e7f01f4cb84d6f0834bbe320a7e57873ce419014b7df99d805921b506ae4641292c04b84
ripemd-160
0f2b98dc74842acd37c075077382d2c5d62b3200
Diameter
3962033554
Circumference
12447095506.523
Area
1.2328952511671E+19
Volume
3.256514902461E+28
Surface area
4.9315810046685E+19
Circumference
12447095506.523
Perimeter
7924067108
Area
3924427470755467729
Diagonal
2801580793.322
Surface area
2.3546564824533E+19
Volume
7.7743566596863E+27
Space diagonal
3431221708.4103
Perimeter
5943050331
Area
1.6993269424919E+18
Altitude
1715610854.2052
Surface area
1.6993269424919E+18
Volume
9.1621671890449E+26
Height
933860264.44068